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Diffstat (limited to 'src/mint/taler-mint-httpd_parsing.c')
-rw-r--r--src/mint/taler-mint-httpd_parsing.c156
1 files changed, 87 insertions, 69 deletions
diff --git a/src/mint/taler-mint-httpd_parsing.c b/src/mint/taler-mint-httpd_parsing.c
index 19c88d456..7d3f3b5e6 100644
--- a/src/mint/taler-mint-httpd_parsing.c
+++ b/src/mint/taler-mint-httpd_parsing.c
@@ -271,44 +271,48 @@ TALER_MINT_parse_post_cleanup_callback (void *con_cls)
* @param ... navigation specification (see JNAV_*)
* @return GNUNET_YES if navigation was successful
* GNUNET_NO if json is malformed, error response was generated
- * GNUNET_SYSERR on internal error
+ * GNUNET_SYSERR on internal error (no response was generated,
+ * connection must be closed)
*/
int
-request_json_require_nav (struct MHD_Connection *connection,
- const json_t *root, ...)
+GNUNET_MINT_parse_navigate_json (struct MHD_Connection *connection,
+ const json_t *root,
+ ...)
{
va_list argp;
- int ignore = GNUNET_NO;
- // what's our current path from 'root'?
- json_t *path;
+ int ret;
+ json_t *path; /* what's our current path from 'root'? */
path = json_array ();
-
- va_start(argp, root);
-
- while (1)
+ va_start (argp, root);
+ ret = 2;
+ while (2 == ret)
{
- int command = va_arg(argp, int);
+ enum TALER_MINT_JsonNavigationCommand command
+ = va_arg (argp,
+ enum TALER_MINT_JsonNavigationCommand);
+
switch (command)
{
case JNAV_FIELD:
{
const char *fname = va_arg(argp, const char *);
- if (GNUNET_YES == ignore)
- break;
- json_array_append_new (path, json_string (fname));
- root = json_object_get (root, fname);
+
+ json_array_append_new (path,
+ json_string (fname));
+ root = json_object_get (root,
+ fname);
if (NULL == root)
{
- /* FIXME: can't IGNORE this return value! */
- (void) TALER_MINT_reply_json_pack (connection,
+ ret = (MHD_YES ==
+ TALER_MINT_reply_json_pack (connection,
MHD_HTTP_BAD_REQUEST,
"{s:s,s:o}",
"error",
"missing field in JSON",
"path",
- path);
- ignore = GNUNET_YES;
+ path))
+ ? GNUNET_NO : GNUNET_SYSERR;
break;
}
}
@@ -316,19 +320,21 @@ request_json_require_nav (struct MHD_Connection *connection,
case JNAV_INDEX:
{
int fnum = va_arg(argp, int);
- if (GNUNET_YES == ignore)
- break;
- json_array_append_new (path, json_integer (fnum));
- root = json_array_get (root, fnum);
+
+ json_array_append_new (path,
+ json_integer (fnum));
+ root = json_array_get (root,
+ fnum);
if (NULL == root)
{
- /* FIXME: can't IGNORE this return value! */
- (void) TALER_MINT_reply_json_pack (connection,
+ ret = (MHD_YES ==
+ TALER_MINT_reply_json_pack (connection,
MHD_HTTP_BAD_REQUEST,
"{s:s, s:o}",
- "error", "missing index in JSON",
- "path", path);
- ignore = GNUNET_YES;
+ "error",
+ "missing index in JSON",
+ "path", path))
+ ? GNUNET_NO : GNUNET_SYSERR;
break;
}
}
@@ -340,36 +346,36 @@ request_json_require_nav (struct MHD_Connection *connection,
const char *str;
int res;
- va_end(argp);
- if (GNUNET_YES == ignore)
- return GNUNET_NO;
str = json_string_value (root);
if (NULL == str)
{
- /* FIXME: can't IGNORE this return value! */
- (void) TALER_MINT_reply_json_pack (connection,
+ ret = (MHD_YES ==
+ TALER_MINT_reply_json_pack (connection,
MHD_HTTP_BAD_REQUEST,
"{s:s, s:o}",
"error",
"string expected",
"path",
- path);
- return GNUNET_NO;
+ path))
+ ? GNUNET_NO : GNUNET_SYSERR;
+ break;
}
res = GNUNET_STRINGS_string_to_data (str, strlen (str),
where, len);
if (GNUNET_OK != res)
{
- /* FIXME: can't IGNORE this return value! */
- (void) TALER_MINT_reply_json_pack (connection,
+ ret = (MHD_YES ==
+ TALER_MINT_reply_json_pack (connection,
MHD_HTTP_BAD_REQUEST,
"{s:s,s:o}",
"error",
"malformed binary data in JSON",
- "path", path);
- return GNUNET_NO;
+ "path",
+ path))
+ ? GNUNET_NO : GNUNET_SYSERR;
+ break;
}
- return GNUNET_YES;
+ ret = GNUNET_OK;
}
break;
case JNAV_RET_DATA_VAR:
@@ -378,35 +384,42 @@ request_json_require_nav (struct MHD_Connection *connection,
size_t *len = va_arg (argp, size_t *);
const char *str;
- va_end(argp);
- if (GNUNET_YES == ignore)
- return GNUNET_NO;
str = json_string_value (root);
if (NULL == str)
{
- GNUNET_break (0);
- return GNUNET_SYSERR;
+ ret = (MHD_YES ==
+ TALER_MINT_reply_internal_error (connection,
+ "json_string_value() failed"))
+ ? GNUNET_NO : GNUNET_SYSERR;
+ break;
}
*len = (strlen (str) * 5) / 8;
- if (where != NULL)
+ if (NULL != where)
{
int res;
+
*where = GNUNET_malloc (*len);
- res = GNUNET_STRINGS_string_to_data (str, strlen (str),
- *where, *len);
+ res = GNUNET_STRINGS_string_to_data (str,
+ strlen (str),
+ *where,
+ *len);
if (GNUNET_OK != res)
{
- /* FIXME: can't IGNORE this return value! */
- (void) TALER_MINT_reply_json_pack (connection,
+ GNUNET_free (*where);
+ *where = NULL;
+ *len = 0;
+ ret = (MHD_YES ==
+ TALER_MINT_reply_json_pack (connection,
MHD_HTTP_BAD_REQUEST,
"{s:s, s:o}",
"error",
"malformed binary data in JSON",
- "path", path);
- return GNUNET_NO;
+ "path", path))
+ ? GNUNET_NO : GNUNET_SYSERR;
+ break;
}
}
- return GNUNET_OK;
+ ret = GNUNET_OK;
}
break;
case JNAV_RET_TYPED_JSON:
@@ -414,30 +427,35 @@ request_json_require_nav (struct MHD_Connection *connection,
int typ = va_arg (argp, int);
const json_t **r_json = va_arg (argp, const json_t **);
- va_end(argp);
- if (GNUNET_YES == ignore)
- return GNUNET_NO;
- if (typ != -1 && json_typeof (root) != typ)
+ if ( (-1 != typ) && (json_typeof (root) != typ))
{
- /* FIXME: can't IGNORE this return value! */
- (void) TALER_MINT_reply_json_pack (connection,
- MHD_HTTP_BAD_REQUEST,
- "{s:s, s:i, s:i s:o}",
- "error", "wrong JSON field type",
- "type_expected", typ,
- "type_actual", json_typeof (root),
- "path", path);
- return GNUNET_NO;
+ ret = (MHD_YES ==
+ TALER_MINT_reply_json_pack (connection,
+ MHD_HTTP_BAD_REQUEST,
+ "{s:s, s:i, s:i s:o}",
+ "error", "wrong JSON field type",
+ "type_expected", typ,
+ "type_actual", json_typeof (root),
+ "path", path))
+ ? GNUNET_NO : GNUNET_SYSERR;
+ break;
}
*r_json = root;
- return GNUNET_OK;
+ ret = GNUNET_OK;
}
break;
default:
- GNUNET_assert (0);
+ GNUNET_break (0);
+ ret = (MHD_YES ==
+ TALER_MINT_reply_internal_error (connection,
+ "unhandled value in switch"))
+ ? GNUNET_NO : GNUNET_SYSERR;
+ break;
}
}
- GNUNET_assert (0);
+ va_end (argp);
+ json_decref (path);
+ return ret;
}